Finding the Fourth Proportional to 448,064.21, 618,328.27 and 246,860.21
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Solution
The fourth proportional to 448,064.21, 618,328.27 and 246,860.21 is: 340,666.90
Step by Step Solution
- Step 1: Write the proportion equation
448,064.21 : 618,328.27 = 246,860.21 : x - Step 2: Convert to fraction form
448,064.21/618,328.27 = 246,860.21/x - Step 3: Cross multiply
448,064.21x = 618,328.27 × 246,860.21 - Step 4: Simplify right side
448,064.21x = 152,640,646,581.14 - Step 5: Solve for x
x = 152,640,646,581.14/448,064.21 - Step 6: Final answer
x = 340,666.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.